Hart resisted Christ­i­an­i­ty while young, writ­ing the pamp­hlet The Un­rea­son­a­ble­ness of Re­li­gion, Be­ing Re­marks and An­im­ad­ver­sions on the Rev. John Wes­ley’s Ser­mon on Ro­mans 8:32. How­ev­er, Hart came to Christ in 1757, be­com­ing an e­norm­ous­ly pop­u­lar preach­er and hymn writ­er. Tens of thou­sands at­tend­ed his fun­er­al. Hart’s works in­clude: